● Sunda / Sumatra Trench — Indo-Australian / Eurasian subduction

Length: ~5,500 km; 2004 M9.1 — 228,000+ fatalities

● Sunda / Java Trench — deepest Indian Ocean trench (~7,700 m)

1994: M7.6 Java tsunami; 2006: M7.7 tsunami (700+ dead)

● Banda-Timor Arc — multi-plate junction (Banda Sea)

Note: Axial Seamount 2026 forecast correlates via secondary axis targeting

Lewotobi Laki-laki 2024 eruption confirmed at lag=160 via θ2 channel